Monthly Archives: February 2012

A neat little proof (and a mnemonic)

A geometric series has the form S = a + ar + ar^2 + ar^3…+ ar^n. Here are some examples: 1 + 2 + 4 + 8…1 + 1/2 + 1/4 + 1/8…e + e^2 + e^3 + e^4… It’s … Continue reading

Posted in blather, math | 1 Comment

Pera’s Progress

I’ve made worse puns. Anyway, it’s time for an update on my New Year’s resolutions. Physical goals: Not good so far. I caught a nasty, multiweek cold that’s set me back quite a bit, but recovering from it should be … Continue reading

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Better, eh?

I really like the new look. I’ll admit the symbolism isn’t very subtle, but for someone like me subtlety has to be more about the journey ;-). I do like the versatility of the metaphor and the apparent depth provided … Continue reading

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Spare ribs

(This’ll be a short one, just to satisfy my requirement to post something each day.) I just had the best sparring night of my life. It’s a little ironic, because my attendance has been awful for the last month, but … Continue reading

Posted in just for lulz | Leave a comment

Overthinking Swan Lake

I wrote this review not as a recommendation whether to read or not read the book. It’s just my way of showing that I care about it somehow. I repudiate that silly superstition wherein thinking about the ingredients in a … Continue reading

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Well, I started implementing my plan immediately. It’s going well, but I ran into a good surprise and a bad surprise. The bad surprise I should have anticipated because I’ve seen it before. Math can cause insomnia. Once the gears … Continue reading

Posted in blather, life tips, math, psychology | Leave a comment

The nuttiest idea I’ve ever had

(Sorry for the mess. I originally intended to make sense.) Prelude I think there are a couple of reasons we have our best ideas in the shower. For one, it’s boring rote work, and boredom is to creativity as coffee … Continue reading

Posted in blather | 3 Comments

Abstruse Goose on Lin

Funny stuff. (Click the pic for better resolution.) More Abstruse Goose.

Posted in just for lulz | 2 Comments

Is debt like money?

It’s a fun little intellectual exercise to puzzle this one out. On the one hand, you have most economists who say it isn’t money because the transaction adds to zero: for every dollar one man owes there is a dollar … Continue reading

Posted in blather, economics | 2 Comments

Layout concerns

I want to spice the place up a little bit. I know the sorts of links and such that I want in the sidebars, but is there anything you want? If I make any changes you disagree with, I invite … Continue reading

Posted in meta | 2 Comments